Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with a graphical user interface showing our new design;

FIG. 2 is a second embodiment thereof;

FIG. 3 is a third embodiment thereof;

FIG. 4 is a fourth embodiment thereof;

FIG. 5 is a fifth embodiment thereof; and,

FIG. 6 is a sixth embodiment thereof.

The broken lines shown in the drawings represent portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 